グリッドレイアウト  

<p class="codepen" data-height="265" data-theme-id="0" data-default-tab="css,result" data-user="ningen11108yu" data-slug-hash="BaBRoKX" style="height: 265px; box-sizing: border-box; display: flex; align-items: center; justify-content: center; border: 2px solid; margin: 1em 0; padding: 1em;" data-pen-title="BaBRoKX">
  <span>See the Pen <a href="https://codepen.io/ningen11108yu/pen/BaBRoKX/">
  BaBRoKX</a> by clown1108yu (<a href="https://codepen.io/ningen11108yu">@ningen11108yu</a>)
  on <a href="https://codepen.io">CodePen</a>.</span>
</p>
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html:index.html
PCのときは

```css:sample.css
/* ヘッダー */
.post-head {
	grid-column: 2 / -2;
	grid-row: 1;

	/* ヘッダーのグリッド */
	display: grid;
	grid-template-columns: 75px 1fr 140px;
	grid-template-rows: 45px repeat(3, auto);
	grid-column-gap: 24px;
	grid-row-gap: 12px;
      }
/* ヘッダー: タイトル */
.post-title {
	grid-column: 2;
	grid-row: 3;
	font-family: 'Mplus 1p', sans-serif;
	font-size: 35px;
	font-weight: 900;
	line-height: 1.2;
}

/* ヘッダー: リード文 */
.post-lead {
	grid-column: 2;
	grid-row: 4;
	font-size: 13px;
	line-height: 1.8;
}

/* ヘッダー: シリーズ名 */
.post-series {
	grid-column: 1;
	grid-row: 1 / 4;
	margin-bottom: -12px;
	background-color: #000;
	color: #fff;
	font-size: 14px;
	font-family: 'Source Sans Pro', sans-serif;
	font-weight: 700;
	text-align: center;
	display: grid;
	justify-items: center;
	align-items: center;
	align-content: center;
	grid-row-gap: 8px;
}

/* ヘッダー: 日付 */
.post-date {
	grid-column: 3;
	grid-row: 1;
	align-self: end;
	padding: 3px 0;
	background-color: #222;
	color: #fff;
	font-family: 'Source Sans Pro', sans-serif;
	font-size: 14px;
	text-align: center;
}


/* ヘッダー： メニューの基本設定 */
.post-head ol,
.post-head ul {
	display: grid;
	grid-auto-flow: column;
	justify-content: start;
	margin: 0;
	padding: 0;
	list-style: none;
}

.post-head a,
.post-head a {
	color: #000;
	text-decoration: none;
}

/* ヘッダー: パンくずリスト */
.post-bread {
	grid-column: 2;
	grid-row: 1;
	align-self: end;
	font-size: 10px;
	line-height: 2;
}

.post-bread li:not(:last-child)::after {
	margin: 0 5px;
	content: '>';
	color: #aaa;
}

/* ヘッダー: カテゴリー */
.post-category {
	grid-column: 2;
	grid-row: 2;
}

.post-category ul {
	grid-column-gap: 5px;
}

.post-category a {
	display: block;
	padding: 3px 10px;
	border-radius: 5px;
	background-color: #ccc;
	font-size: 10px;
}

/* ヘッダー: SNSメニュー */
.post-sns {
	grid-column: 3;
	grid-row: 3;
}

.post-sns ul {
	justify-content: space-between;
}

.post-sns a {
	font-size: 14px;
	color: #fff;
	text-align: center;
	border-radius: 5px;
	display: block;
	width: 40px;
	line-height: 35px;
}
.post-sns li:nth-child(1) a
	 {background-color: #55acee;}
.post-sns li:nth-child(2) a
	 {background-color: #3b5998;}
.post-sns li:nth-child(3) a
	 {background-color: #dd4b39;}

/* ヘッダー： 区切り線 */
.post-head::before	{
	grid-column: 1 / -1;
	grid-row: 1;
	align-self: end;
	content: '';
	border-top: solid 4px #222;
	height: 2px;
	border-bottom: solid 2px #222;
	margin: 0 calc(var(--side) * -1) -4px;
}

/* ヘッダー： 装飾画像 */
.post-head::after	{
	grid-column: 3;
	grid-row: 4;
	justify-self: center;
	align-self: center;
	width: 80%;
	content: url('img/gourmet.svg');
}
```



<p class="codepen" data-height="265" data-theme-id="0" data-default-tab="css,result" data-user="ningen11108yu" data-slug-hash="eYOWpGE" style="height: 265px; box-sizing: border-box; display: flex; align-items: center; justify-content: center; border: 2px solid; margin: 1em 0; padding: 1em;" data-pen-title="eYOWpGE">
  <span>See the Pen <a href="https://codepen.io/ningen11108yu/pen/eYOWpGE/">
  eYOWpGE</a> by clown1108yu (<a href="https://codepen.io/ningen11108yu">@ningen11108yu</a>)
  on <a href="https://codepen.io">CodePen</a>.</span>
</p>
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